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Cozy · shared October 2026

Yarn Planet: an AI game made with Opus 5.5

Walk around a tiny planet; your path becomes a coloured thread.

Opus 5.5CozyPuzzle

ynot.games does not allow other sites to embed this game, so it opens in a new tab.

About Yarn Planet

Carry a spool across a little planet and leave a trail of yarn behind you. The creator’s README credits Claude Opus 5.5 and says code generated every model and sound. Its host does not allow embedding, so it opens on its own site.

How Yarn Planet was made

makerjackie credits Claude Opus 5.5 in the post, page or repository where the game was shared. We copied that credit; we did not rebuild the game.

Follow makerjackie for updates, or see every game by makerjackie on this site.

More AI games made with Claude Opus 5.5

All Claude Opus 5.5 games →

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Yarn Planet FAQ

Is Yarn Planet free to play?

Yes. Yarn Planet is free and runs in a web browser with no download or sign-up. It opens on ynot.games, because that host does not allow other sites to embed it.

Which AI model made Yarn Planet?

Claude Opus 5.5, according to makerjackie. The credit comes from the creator’s own post, page or repository.

Can I play Yarn Planet on a phone?

We have not tested it on a phone yet. It is safest to try it on a computer first.